What was found
AIR TURN BACK. WHEN LANDING GEAR HANDLE WAS MOVED UP AFTER TAKEOFF, A VERY STRONG VIBRATION WAS FELT ON THE NOSE LANDING GEAR. REMOVED AND REPLACED RT FWD DOOR LINK IAW AMM 32-22-01, PAGE 201. OPS CHECK OK. PN 39567851, SN OFF EFS26043. SN ON LIN5301. (K)